I use $isp=strtolower(@gethostbyaddr($userip));
May slow down your site alot though as it has to do a reverce lookup on all the ips. I suggest only doing it when you really need it for something. Sometimes it can add 10 sec or more to the loading time for some people.
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04' Dodge SRT-4, Mopar Stage 3, 406whp/436wtq
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